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          <td class="headerItem" width="20%">Current&nbsp;view:</td>
          <td class="headerValue" width="80%" colspan=4><a href="../../../../../index.html">directory</a> - <a href="index.html">usr/include/c++/4.3.2/bits</a> - stl_move.h</td>
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          <td class="headerItem" width="20%">Test:</td>
          <td class="headerValue" width="80%" colspan=4>ged.info</td>
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          <td class="headerItem" width="20%">Date:</td>
          <td class="headerValue" width="20%">2009-06-09</td>
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          <td class="headerItem" width="20%">Instrumented&nbsp;lines:</td>
          <td class="headerValue" width="20%">5</td>
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          <td class="headerItem" width="20%">Code&nbsp;covered:</td>
          <td class="headerValue" width="20%">100.0 %</td>
          <td width="20%"></td>
          <td class="headerItem" width="20%">Executed&nbsp;lines:</td>
          <td class="headerValue" width="20%">5</td>
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      <td><pre class="source">
<span class="lineNum">       1 </span>                : // Move, forward and identity for C++0x + swap -*- C++ -*-
<span class="lineNum">       2 </span>                : 
<span class="lineNum">       3 </span>                : // Copyright (C) 2007 Free Software Foundation, Inc.
<span class="lineNum">       4 </span>                : //
<span class="lineNum">       5 </span>                : // This file is part of the GNU ISO C++ Library.  This library is free
<span class="lineNum">       6 </span>                : // software; you can redistribute it and/or modify it under the
<span class="lineNum">       7 </span>                : // terms of the GNU General Public License as published by the
<span class="lineNum">       8 </span>                : // Free Software Foundation; either version 2, or (at your option)
<span class="lineNum">       9 </span>                : // any later version.
<span class="lineNum">      10 </span>                : 
<span class="lineNum">      11 </span>                : // This library is distributed in the hope that it will be useful,
<span class="lineNum">      12 </span>                : // but WITHOUT ANY WARRANTY; without even the implied warranty of
<span class="lineNum">      13 </span>                : // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
<span class="lineNum">      14 </span>                : // GNU General Public License for more details.
<span class="lineNum">      15 </span>                : 
<span class="lineNum">      16 </span>                : // You should have received a copy of the GNU General Public License along
<span class="lineNum">      17 </span>                : // with this library; see the file COPYING.  If not, write to the Free
<span class="lineNum">      18 </span>                : // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
<span class="lineNum">      19 </span>                : // USA.
<span class="lineNum">      20 </span>                : 
<span class="lineNum">      21 </span>                : // As a special exception, you may use this file as part of a free software
<span class="lineNum">      22 </span>                : // library without restriction.  Specifically, if other files instantiate
<span class="lineNum">      23 </span>                : // templates or use macros or inline functions from this file, or you compile
<span class="lineNum">      24 </span>                : // this file and link it with other files to produce an executable, this
<span class="lineNum">      25 </span>                : // file does not by itself cause the resulting executable to be covered by
<span class="lineNum">      26 </span>                : // the GNU General Public License.  This exception does not however
<span class="lineNum">      27 </span>                : // invalidate any other reasons why the executable file might be covered by
<span class="lineNum">      28 </span>                : // the GNU General Public License.
<span class="lineNum">      29 </span>                : 
<span class="lineNum">      30 </span>                : /** @file stl_move.h
<span class="lineNum">      31 </span>                :  *  This is an internal header file, included by other library headers.
<span class="lineNum">      32 </span>                :  *  You should not attempt to use it directly.
<span class="lineNum">      33 </span>                :  */
<span class="lineNum">      34 </span>                : 
<span class="lineNum">      35 </span>                : #ifndef _STL_MOVE_H
<span class="lineNum">      36 </span>                : #define _STL_MOVE_H 1
<span class="lineNum">      37 </span>                : 
<span class="lineNum">      38 </span>                : #include &lt;bits/c++config.h&gt;
<span class="lineNum">      39 </span>                : #include &lt;bits/concept_check.h&gt;
<span class="lineNum">      40 </span>                : 
<span class="lineNum">      41 </span>                : #ifdef __GXX_EXPERIMENTAL_CXX0X__
<span class="lineNum">      42 </span>                : #include &lt;type_traits&gt;
<span class="lineNum">      43 </span>                : 
<span class="lineNum">      44 </span>                : _GLIBCXX_BEGIN_NAMESPACE(std)
<span class="lineNum">      45 </span>                : 
<span class="lineNum">      46 </span>                :   // 20.2.2, forward/move
<span class="lineNum">      47 </span>                :   template&lt;typename _Tp&gt;
<span class="lineNum">      48 </span>                :     struct identity
<span class="lineNum">      49 </span>                :     {
<span class="lineNum">      50 </span>                :       typedef _Tp type;
<span class="lineNum">      51 </span>                :     };
<span class="lineNum">      52 </span>                : 
<span class="lineNum">      53 </span>                :   template&lt;typename _Tp&gt;
<span class="lineNum">      54 </span>                :     inline _Tp&amp;&amp;
<span class="lineNum">      55 </span>                :     forward(typename std::identity&lt;_Tp&gt;::type&amp;&amp; __t)
<span class="lineNum">      56 </span>                :     { return __t; }
<span class="lineNum">      57 </span>                : 
<span class="lineNum">      58 </span>                :   template&lt;typename _Tp&gt;
<span class="lineNum">      59 </span>                :     inline typename std::remove_reference&lt;_Tp&gt;::type&amp;&amp;
<span class="lineNum">      60 </span>                :     move(_Tp&amp;&amp; __t)
<span class="lineNum">      61 </span>                :     { return __t; }
<span class="lineNum">      62 </span>                : 
<span class="lineNum">      63 </span>                : _GLIBCXX_END_NAMESPACE
<span class="lineNum">      64 </span>                : 
<span class="lineNum">      65 </span>                : #define _GLIBCXX_MOVE(_Tp) std::move(_Tp)
<span class="lineNum">      66 </span>                : #else
<span class="lineNum">      67 </span>                : #define _GLIBCXX_MOVE(_Tp) (_Tp)
<span class="lineNum">      68 </span>                : #endif
<span class="lineNum">      69 </span>                : 
<span class="lineNum">      70 </span>                : _GLIBCXX_BEGIN_NAMESPACE(std)
<span class="lineNum">      71 </span>                : 
<span class="lineNum">      72 </span>                :   /**
<span class="lineNum">      73 </span>                :    *  @brief Swaps two values.
<span class="lineNum">      74 </span>                :    *  @param  a  A thing of arbitrary type.
<span class="lineNum">      75 </span>                :    *  @param  b  Another thing of arbitrary type.
<span class="lineNum">      76 </span>                :    *  @return   Nothing.
<span class="lineNum">      77 </span>                :   */
<span class="lineNum">      78 </span>                :   template&lt;typename _Tp&gt;
<span class="lineNum">      79 </span>                :     inline void
<span class="lineNum">      80 </span><span class="lineCov">             64 :     swap(_Tp&amp; __a, _Tp&amp; __b)</span>
<span class="lineNum">      81 </span>                :     {
<span class="lineNum">      82 </span>                :       // concept requirements
<span class="lineNum">      83 </span>                :       __glibcxx_function_requires(_SGIAssignableConcept&lt;_Tp&gt;)
<span class="lineNum">      84 </span>                : 
<span class="lineNum">      85 </span><span class="lineCov">             64 :       _Tp __tmp = _GLIBCXX_MOVE(__a);</span>
<span class="lineNum">      86 </span><span class="lineCov">             64 :       __a = _GLIBCXX_MOVE(__b);</span>
<span class="lineNum">      87 </span><span class="lineCov">             64 :       __b = _GLIBCXX_MOVE(__tmp);</span>
<span class="lineNum">      88 </span><span class="lineCov">             64 :     }</span>
<span class="lineNum">      89 </span>                : 
<span class="lineNum">      90 </span>                : _GLIBCXX_END_NAMESPACE
<span class="lineNum">      91 </span>                : 
<span class="lineNum">      92 </span>                : #endif /* _STL_MOVE_H */
</pre>
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